Display screen or portion thereof with transitional graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with atransitional graphical user interface showing a first image in asequence according to a first embodiment of the claimed design;

FIG. 2 is a front view of a second image in the sequence of the firstembodiment;

FIG. 3 is a front view of a third image in the sequence of the firstembodiment;

FIG. 4 is a front view of a fourth image in the sequence of the firstembodiment;

FIG. 5 is a front view of a fifth image in the sequence of the firstembodiment; and

FIG. 6 is a front view of a sixth image in the sequence of the firstembodiment.

FIG. 7 is a front view of a display screen or portion thereof with atransitional graphical user interface showing a first image in asequence according to a second embodiment of the claimed design;

FIG. 8 is a front view of a second image in the sequence of the secondembodiment;

FIG. 9 is a front view of a third image in the sequence of the secondembodiment;

FIG. 10 is a front view of a fourth image in the sequence of the secondembodiment;

FIG. 11 is a front view of a fifth image in the sequence of the secondembodiment; and,

FIG. 12 is a front view of a sixth image in the sequence of the secondembodiment.

FIGS. 1-6 depict a sequence of images depicting various states of thegraphical user interface according to a first embodiment, and FIGS. 7-12depict a sequence of images depicting various states of the graphicaluser interface according to a second embodiment. The appearance of thesequence of images according to the first embodiment sequentiallytransitions between the images shown in FIGS. 1-6 and the appearance ofthe sequence of images according to the second embodiment sequentiallytransitions between the images shown in FIGS. 7-12. The process orperiod in which one image transitions to another forms no part of theclaimed design.

The broken lines showing a device illustrate environmental structure andform no part of the claimed design. The broken lines showing a displayscreen, and all other broken lines showing portions of the graphicaluser interface, form no part of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof withtransitional graphical user interface, as shown and described.